Size Chart:(Product Measurement)
8Y:Bottoms Length:8.7IN,Waist Size:20.5-29.1IN,Bust:26.8IN,Top Length:5.1IN,Underbust:21.3-29.9IN
9Y:Bottoms Length:9.1IN,Waist Size:21.7-30.3IN,Bust:28.0IN,Top Length:5.4IN,Underbust:22.4-31.1IN
10Y:Bottoms Length:9.4IN,Waist Size:22.8-31.5IN,Bust:29.1IN,Top Length:5.7IN,Underbust:23.6-32.3IN
11Y:Bottoms Length:9.8IN,Waist Size:24.0-32.7IN,Bust:30.3IN,Top Length:6.0IN,Underbust:24.8-33.5IN
12Y:Bottoms Length:10.2IN,Waist Size:25.2-33.9IN,Bust:31.5IN,Top Length:6.3IN,Underbust:26.0-34.6IN
This data was obtained from manually measuring the product, it may be off by 1-2 CM